Full range rotatable speaker housing with oppositely directed sp

Details Full range rotatable speaker housing with oppositely directed sp Full range rotatable speaker housing with oppositely directed sp

1976-06-18

1977-10-18

Stellar, George G.

Acoustics

Anatomic or prosthetic relation

Ear and mouth

181147, H04R 102, H04R 120

Patent

active

040547507

ABSTRACT:
A plurality of speakers are carried on a generally vertical board. The board is carried for pivotal motion about a vertical axis. The board is housed within an enclosure permitting sound radiation in all directions. Some speakers are directed to face oppositely from other speakers, all of which having a different operating frequency. One of the speakers is driven by a separate amplifier. The system is truly omnidirectional with acoustical phase problems being overcome because all but the high frequency drivers or tweeters have the same size.

REFERENCES:
patent: 1866831 (1932-07-01), Wolff et al.
patent: 3491204 (1970-01-01), Sherno
patent: 3903989 (1974-05-01), Bauer
Audio Aug. 1974, p. 61.
Stereo Review June, 1975.

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